Send us photos of tonight's 'supermoon'

Saturday night's full moon will appear to be 14 percent bigger than normal and 30 percent brighter. It is an optical illusion that occurs when the moon reaches its closest point to Earth, which will happen this evening at about 8:30 p.m. The moon will then be 221,802 miles away. So the "perigee" moon will seem unusually large as it rises above the eastern horizon (at about 8:30 p.m.). The moon also will look bigger because you're seeing it with the horizon in the foreground. Oddly, scientists aren't completely sure why this placement makes us think the moon is larger, but it does.